P0394 Opel Astra H DTC Code

Opel Astra H Engine Specifications:

Engine Type :	Multi-Cylinder Engine
Cylinder Type :	Opposite Piston Engine
Engine Air Intake Process :	Turbocharged Engine

Your Opel Astra H engine control system detects a problem, the computer stores the diagnostic trouble code P0394 in its memory. To figure out what is wrong with your vehicle you must first extract the P0394 DTC For Opel Astra H.

On 1999 and later P0394 Opel Astra H engines, the instrument cluster has a built-in self-diagnostic mode that can be accessed by pressing and holding the instrument cluster SELECT/RESET button. Insert the ignition key and turn to the RUN position (but don't crank or start engine). Continue to press and hold the SELECT/RESET button (for 5 seconds) until the word TEST is displayed by the odometer. Release the SELECT/RESET button within three seconds after the word TEST is displayed to begin the self-diagnostic mode.

P0394 Opel Astra H DTC Meaning

P	Powertrain Code - Problem is related engine, transmission and emissions systems.
0	SAE - Generic
3	IC Module 4X Ref Circuit Intermittent, No Pulses
9	TP Sensor Learn Not Complete
4	Cruise Vehicle Speed/Set Speed Difference Too High

If your P0394 Opel Astra H check engine light is illuminated, it's best to take it in for diagnostic testing, which can feel like a hassle. Because while the lights vary in appearance from vehicle to vehicle, all have the same basic meaning: There's a problem with the car's emissions system. The on-board diagnostics system P0394 and engine control unit are in charge of monitoring a bunch of different P0394 DTC For Opel Astra H, and if they get a reading that's a little out of whack, up pops the check engine light.